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NetBSD 6.1.5 - man page for pthread_condattr_destroy (netbsd section 3)

PTHREAD_CONDATTR(3)		   BSD Library Functions Manual 	      PTHREAD_CONDATTR(3)

NAME
     pthread_condattr_init -- condition attribute operations

LIBRARY
     POSIX Threads Library (libpthread, -lpthread)

SYNOPSIS
     #include <pthread.h>

     int
     pthread_condattr_init(pthread_condattr_t *attr);

     int
     pthread_condattr_setclock(pthread_condattr_t *attr, clockid_t clock);

     int
     pthread_condattr_destroy(pthread_condattr_t *attr);

DESCRIPTION
     Condition attribute objects are used to specify parameters to the pthread_cond_init(3) func-
     tion.  The pthread_condattr_init() function initializes a condition attribute object with
     the default attributes and the pthread_condattr_destroy() function destroys a condition
     attribute object.	The pthread_condattr_setclock() function sets the system clock to be used
     for time comparisons to the one specified in clock.  Valid clock values are CLOCK_MONOTONIC
     and CLOCK_REALTIME (the default).

RETURN VALUES
     If successful, these functions return 0.  Otherwise, an error number is returned to indicate
     the error.

ERRORS
     No errors are defined for pthread_condattr_init().

     The pthread_condattr_destroy() function may fail if:

     [EINVAL]		The value specified by attr is invalid.

SEE ALSO
     pthread_cond_init(3)

STANDARDS
     Both functions conform to IEEE Std 1003.1-2001 (``POSIX.1'').

CAVEATS
     The usefulness of the functions is questionable as the NetBSD implementation does not sup-
     port any non-default attributes.  These functions do not conform to the IEEE Std 1003.1-2008
     (``POSIX.1'') revision of the standard, which mandates two additional attributes, the clock
     attribute and the process-shared attribute.

BSD					 November 2, 2012				      BSD


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